Optimization of Potassium Promoted Molybdenum Carbide Catalyst for the Low Temperature Reverse Water Gas Shift Reaction

James R. Morse, Cameron F. Holder, Jeffrey W. Baldwin and Heather D. Willauer ()
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James R. Morse: U.S. Naval Research Laboratory, Materials Science Division, Washington, DC 20375, USA
Cameron F. Holder: U.S. Naval Research Laboratory, Materials Science Division, Washington, DC 20375, USA
Jeffrey W. Baldwin: U.S. Naval Research Laboratory, Acoustics Division, Washington, DC 20375, USA
Heather D. Willauer: U.S. Naval Research Laboratory, Materials Science Division, Washington, DC 20375, USA

Energies, 2022, vol. 15, issue 19, 1-12

Abstract: The reduction of CO 2 to CO through the reverse water gas shift (RWGS) reaction is an important catalytic step in the overall strategy of CO 2 utilization. The product CO can be subsequently used as a feedstock for a variety of useful reactions, including the synthesis of fuels through the Fischer–Tropsch process. Recent works have demonstrated that potassium-promoted molybdenum carbide (K-Mo 2 C) is a highly selective catalyst for low-temperature RWGS. In this work, we describe the systematic investigation of key parameters in the synthesis of K-Mo 2 C, and their influence on the overall activity and selectivity for the low-temperature RWGS reaction. Specifically, we demonstrate how catalyst support, precursor calcination, catalyst loading, and long-term ambient storage influence performance of the K-Mo 2 C catalyst.

Keywords: molybdenum carbide; reverse water gas shift; catalyst optimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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